22/3 or 7.3333333333333333333333333333 or 7 1/3 feet
The answer is x = 10, and it could alternatively be x = -10 depending on what topic this is and if negatives apply.
x^2 - 1 = 99
Add 1 to both sides.
x^2 = 100
Square root both sides
x = 10
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Answer:
Step-by-step explanation:
Internal dimensions of the box will be smaller considering the thickness of the wood:
- 21 - 1 = 20 cm
- 11 - 1 = 10 cm
- 7 - 0.5 = 6.5 cm (open top)
<u>The volume is now:</u>
Answer:
b
Step-by-step explanation:
